Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be None of the listed here Low High Almost zero None of the listed here Low High Almost zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 4% 3% 1% 2% 4% 3% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 4 7 6 8 4 7 6 8 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 20. 31.4. 25.4. 54.2. 20. 31.4. 25.4. 54.2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a megger controlling torque is provided by Coil Eddy current Spring Gravity Coil Eddy current Spring Gravity ANSWER DOWNLOAD EXAMIANS APP